void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
 //Serial.println("Hello, ESP32!");
 pinMode(27,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(27,HIGH);
  Serial.println("LED, ON");
  delay(1000);
   digitalWrite(27,LOW);
   Serial.println("LED, OFF");
  delay(1000); // this speeds up the simulation
}